Washing, dewatering and drying device for resin particles

Abstract

The utility model relates to a washing, dewatering and drying device for resin particles. The washing, dewatering and drying device comprises a barrel, a filtering barrel, a spraying mechanism and a drying mechanism, and the barrel is provided with a feeding port and a drainage port; the filtering barrel is arranged in the barrel body so as to divide the interior of the barrel body into a material cavity located on the side, close to the feeding opening, of the filtering barrel and a water drainage cavity located on the side, close to the water drainage opening, of the filtering barrel; the spraying mechanism is arranged above the filtering barrel, and the drying mechanism is communicated with the material chamber. Resin particles can fall onto the filtering barrel through the feeding hole to realize dehydration; the spraying mechanism can be used for cleaning resin particles on the filtering barrel, residual solvents in the resin particles can be washed and leached out, and sewage can flow into the drainage cavity through the filtering holes and then is discharged to the outside through the drainage opening; the drying mechanism can dry resin particles in the material cavity, dewatering, cleaning and drying can be integrated, the problem that the resin particles are seriously rubbed can be avoided, the structure is simple, and the production efficiency can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of resin particle processing, and in particular to a water washing, dehydration and drying device for resin particles. Background Art

[0002] In the final stages of the resin pellet production process, the resin pellets, which contain a large amount of water, need to be dehydrated and dried. In related art, this process typically involves using a particle slurry screen to dehydrate the resin pellets. After dehydration, the pellets are then transported to a rotor centrifugal dryer for drying. However, rotor centrifugal dryers can easily cause severe friction on the resin pellets. Furthermore, this method results in low resin pellet processing efficiency and prevents the removal of residual solvents in the pellets, impacting the quality of the finished resin pellets. Utility Model Content

[0003] Based on this, it is necessary to provide a water-washing, dehydrating and drying device for resin particles that can integrate dehydration, cleaning and drying, can avoid the problem of severe friction of resin particles, and at the same time has a simple structure and can improve production efficiency.

[0004] A water washing, dehydration and drying device for resin particles, comprising:

[0005] A cylinder body, wherein a feed inlet and a drain outlet are provided on the cylinder body;

[0006] A filter barrel, wherein the filter barrel is arranged in the barrel body, and the interior of the barrel body is divided into a material chamber and a drainage chamber, wherein the material chamber is located on a side of the filter barrel close to the feed inlet, and the drainage chamber is located on a side of the filter barrel close to the drain outlet, and a plurality of filter holes are opened on the filter barrel;

[0007] A spraying mechanism, the spraying mechanism being arranged above the filter barrel and being used for cleaning the resin particles in the material chamber;

[0008] A drying mechanism is communicated with the material chamber and is used for drying the resin particles in the material chamber.

[0009] In one embodiment, a water inlet is provided on the cylinder, and the spray mechanism includes a spray pipe connected to the cylinder, the spray pipe is communicated with the water inlet, and a plurality of spray nozzles are spaced apart on the spray pipe along its extension direction.

[0010] In one embodiment, an air inlet is provided on the cylinder, and the drying mechanism includes a drying pipe connected to the cylinder, the drying pipe is communicated with the air inlet, and a drying hole is provided on the drying pipe, and the drying hole is communicated with the material chamber.

[0011] In one embodiment, the extension direction of the drying pipe is parallel to the axial direction of the cylinder, and the end of the drying pipe away from the air inlet can extend into the interior of the filter barrel.

[0012] In one embodiment, the cylinder is provided with a back-blowing air inlet connected to the drainage chamber and a back-blowing air outlet connected to the material chamber, and the back-blowing air inlet is configured to be able to input compressed gas into the cylinder.

[0013] In one embodiment, the dehydration and drying device further includes a back-blowing mechanism, which is in communication with the drainage chamber and inputs compressed gas into the cylinder through the back-blowing air inlet.

[0014] In one embodiment, the back-blowing air inlet and the back-blowing air outlet are both located on the circumferential side wall of the cylinder, and the back-blowing air inlet and the back-blowing air outlet are respectively located on both sides of the axis of the cylinder.

[0015] In one embodiment, the filter barrel has a first end and a second end that are relatively arranged, and the first end of the filter barrel is arranged close to the feed port; the inner diameter of the filter barrel gradually decreases from the first end of the filter barrel to the second end of the filter barrel.

[0016] In one embodiment, a discharge channel communicating with the outside and the material chamber is provided at the bottom of the cylinder, the discharge channel is connected with the second end of the filter barrel, and a discharge valve is provided on the portion of the discharge channel extending out of the cylinder.

[0017] In one embodiment, the cylinder includes a first connection part and a second connection part connected to the first connection part, the filter barrel is connected to an end of the first connection part close to the second connection part, the inner diameter of the second connection part gradually decreases from the end close to the first connection part to the end away from the first connection part, and the drain outlet is arranged at the second connection part.

[0018] In the above scheme, by setting up a cylinder and a filter barrel, the resin particles can enter the cylinder through the feed port and fall onto the filter barrel. Under the action of the filter barrel, the resin particles are retained in the material chamber, thereby achieving dehydration; by setting up a spray mechanism, the spray mechanism can clean the resin particles on the filter barrel, and the residual solvent in the resin particles can be washed and leached out by water, and the sewage can flow into the drainage chamber through the filter holes and then be discharged to the outside through the drain port; by setting up a drying mechanism, the resin particles in the material chamber can be dried. The present application can integrate dehydration, cleaning and drying, and can avoid the problem of severe friction of the resin particles. At the same time, the structure is simple, which can improve production efficiency and ensure the quality of the resin particle products. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings that constitute a part of this application are used to provide further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute improper limitations on this application.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0021] Figure 1 This is a schematic structural diagram of a device for washing, dehydrating and drying resin particles according to an embodiment of the present application.

[0022] Figure 2 This is a cross-sectional structural diagram of a device for washing, dehydrating and drying resin particles according to one embodiment of the present application.

[0023] Figure 3 This is a structural diagram of a filter barrel shown in one embodiment of the present application.

[0024] Figure 4 This is a structural diagram of a spray mechanism shown in one embodiment of the present application.

[0025] Description of Reference Numerals

[0026] 10. Dehydration and drying device; 100. Cylinder; 110. Feed inlet; 120. Drain outlet; 130. Material chamber; 140. Drain chamber; 150. Water inlet; 160. Air inlet; 170. Back-blowing air inlet; 180. Back-blowing air outlet; 190. Discharge channel; 200. Filter barrel; 300. Spray mechanism; 310. Spray pipe; 320. Spray nozzle; 400. Drying pipe; 500. Discharge valve. DETAILED DESCRIPTION

[0027] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0028] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0029] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0030] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0031] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0032] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0033] See also Figure 1 and Figure 2 An embodiment of the present application relates to a water washing, dehydration and drying device 10 for resin particles, comprising a cylinder 100, a filter barrel 200, a spraying mechanism 300 and a drying mechanism, wherein the filter barrel 200, the spraying mechanism 300 and the drying mechanism are all arranged in the cylinder 100.

[0034] The cylinder 100 is provided with a feed inlet 110 and a drain outlet 120 . Specifically, the feed inlet 110 is provided at the top of the cylinder 100 , and the drain outlet 120 is provided at the bottom of the cylinder 100 .

[0035] See also Figure 1 、 Figure 2 and Figure 3 The filter barrel 200 is disposed within the barrel 100, dividing the interior of the barrel 100 into a material chamber 130 and a drainage chamber 140. The material chamber 130 is located on the side of the filter barrel 200 near the feed inlet 110, and the drainage chamber 140 is located on the side of the filter barrel 200 near the drain outlet 120. The filter barrel 200 is provided with a plurality of filter holes. Resin particles can enter the barrel 100 through the feed inlet 110 and fall onto the filter barrel 200. Under the action of the filter barrel 200, the resin particles are retained in the material chamber 130, thereby achieving dehydration.

[0036] The spray mechanism 300 is located above the filter barrel 200 and is used to clean the resin particles in the material chamber 130 and remove the residual solvent in the resin particles. The leachate can flow through the filter holes into the drainage chamber 140 and then be discharged to the outside through the drain port 120.

[0037] The drying mechanism is communicated with the material chamber 130 and is used to dry the resin particles in the material chamber 130 .

[0038] See also Figure 1 、 Figure 2 and Figure 4 According to some embodiments of the present application, optionally, a water inlet 150 is provided on the barrel 100, and the spray mechanism 300 includes a spray pipe 310 connected to the barrel 100, and the spray pipe 310 is connected to the water inlet 150. A plurality of spray nozzles 320 are provided on the spray pipe 310 at intervals along its extension direction.

[0039] Specifically, the spray pipe 310 is connected to the top of the barrel 100 via a connecting rod. The spray pipe 310 has a circular ring structure, which can maximize the cleaning of resin particles on the filter barrel 200. By disposing a plurality of spray nozzles 320 at intervals along the extension direction of the spray pipe 310, the water washing efficiency can be improved.

[0040] In this embodiment, two spray mechanisms 300 are provided, and the two spray mechanisms 300 are symmetrically arranged relative to the axis of the barrel 100. The spray pipe 310 is located directly above the filter barrel 200. By symmetrically arranging the two spray mechanisms 300 relative to the axis of the barrel 100, the water washing efficiency can be further improved.

[0041] See also Figure 1 and Figure 2 According to some embodiments of the present application, the drum 100 may optionally be provided with an air inlet 160, and the drying mechanism may include a drying tube 400 connected to the drum 100. The drying tube 400 communicates with the air inlet 160, and the drying tube 400 is provided with a drying hole that communicates with the material chamber 130. Specifically, the presence of multiple drying holes may improve drying efficiency.

[0042] Hot air can enter the drying pipe 400 through the air inlet 160 and then flow into the material chamber 130 through the drying holes to dry the resin particles on the filter barrel 200 .

[0043] See also Figure 1 and Figure 2According to some embodiments of the present application, the drying tube 400 optionally extends parallel to the axial direction of the barrel 100, and the end of the drying tube 400 away from the feed port 110 can extend into the interior of the filter barrel 200. By extending the end of the drying tube 400 away from the barrel 100 into the filter barrel 200, the resin particles in the filter barrel 200 can be dried.

[0044] See also Figure 1 and Figure 2 According to some embodiments of the present application, optionally, a back-blowing air inlet 170 connected to the drainage chamber 140 and a back-blowing air outlet 180 connected to the material chamber 130 are provided on the cylinder 100. The back-blowing air inlet 170 is configured to input compressed gas into the cylinder 100 to blow off the resin particles blocked in the filter holes.

[0045] Specifically, the dehydration and drying device 10 further includes a backflush mechanism, which is in communication with the drainage chamber 140 and is capable of inputting compressed gas into the cylinder 100. The backflush mechanism inputs compressed gas into the cylinder 100. The compressed gas output by the backflush mechanism enters the cylinder 100 through the backflush air inlet 170, then passes through the filter holes, and is finally discharged from the backflush air outlet 180.

[0046] See also Figure 1 and Figure 2 According to some embodiments of the present application, optionally, the back-blowing air inlet 170 and the back-blowing air outlet 180 are both located on the circumferential sidewall of the cylinder 100, and the back-blowing air inlet 170 and the back-blowing air outlet 180 are respectively located on both sides of the axis of the cylinder 100. Specifically, the back-blowing air inlet 170 is located at the lower end of the cylinder 100, and the back-blowing air outlet 180 is located at the upper end of the cylinder 100.

[0047] See also Figure 1 and Figure 2 According to some embodiments of the present application, the filter barrel 200 may optionally have a first end and a second end disposed opposite each other, with the first end of the filter barrel 200 being disposed adjacent to the feed port 110. The inner diameter of the filter barrel 200 gradually decreases from the first end to the second end of the filter barrel 200. The filter barrel 200 as a whole has a V-shaped structure in the axial cross-section of the cylinder body 100.

[0048] By setting the inner diameter of the filter barrel 200 to gradually decrease from the first end of the filter barrel 200 to the second end of the filter barrel 200, the inner diameter of the second end of the filter barrel 200 is smaller, thereby increasing the contact area between the resin particles and the filter barrel 200, that is, increasing the filtration area, and thus improving the filtration efficiency.

[0049] See also Figure 1 and Figure 2According to some embodiments of the present application, optionally, a discharge channel 190 connected to the outside and the material chamber 130 is provided at the bottom of the cylinder 100, and the discharge channel 190 is connected to the second end of the filter barrel 200. The part of the discharge channel 190 extending out of the cylinder 100 is provided with a discharge valve 500.

[0050] After being dehydrated, washed, filtered and dried, the resin particles can be discharged from the filter barrel 200 through the discharge channel 190 into a package by controlling the discharge valve 500 .

[0051] See also Figure 1 and Figure 2 According to some embodiments of the present application, optionally, the barrel 100 includes a first connection portion and a second connection portion connected to the first connection portion, the filter barrel 200 is connected to an end of the first connection portion close to the second connection portion, the inner diameter of the second connection portion gradually decreases from the end close to the first connection portion to the end away from the first connection portion, and the drain port 120 is provided at the second connection portion. Specifically, the top edge of the filter barrel 200 is sealed with the inner wall of the first connection portion. The gap between the inner wall of the drainage chamber 140 and the outer wall of the filter barrel 200 gradually increases from the end close to the material chamber 130 to the end away from the material chamber 130.

[0052] By gradually reducing the inner diameter of the second connection portion from the end close to the first connection portion to the end far away from the first connection portion, the drainage speed can be increased.

[0053] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0054] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A water washing, dehydration and drying device for resin particles, characterized in that: include: A cylinder body, wherein a feed inlet and a drain outlet are provided on the cylinder body; A filter barrel, wherein the filter barrel is arranged in the barrel body, and the interior of the barrel body is divided into a material chamber and a drainage chamber, wherein the material chamber is located on a side of the filter barrel close to the feed inlet, and the drainage chamber is located on a side of the filter barrel close to the drain outlet, and a plurality of filter holes are opened on the filter barrel; A spraying mechanism, the spraying mechanism being arranged above the filter barrel and being used for cleaning the resin particles in the material chamber; A drying mechanism is communicated with the material chamber and is used for drying the resin particles in the material chamber.

2. The device for washing, dehydrating and drying resin particles according to claim 1, characterized in that: A water inlet is provided on the cylinder, and the spray mechanism comprises a spray pipe connected to the cylinder, the spray pipe is communicated with the water inlet, and a plurality of spray nozzles are arranged at intervals on the spray pipe along its extending direction.

3. The device for washing, dehydrating and drying resin particles according to claim 1, characterized in that: An air inlet is provided on the cylinder, and the drying mechanism includes a drying pipe connected to the cylinder, the drying pipe is communicated with the air inlet, a drying hole is provided on the drying pipe, and the drying hole is communicated with the material chamber.

4. The device for washing, dehydrating and drying resin particles according to claim 3, characterized in that: The extending direction of the drying pipe is parallel to the axial direction of the cylinder, and the end of the drying pipe away from the air inlet can extend into the interior of the filter barrel.

5. The device for washing, dehydrating and drying resin particles according to claim 1, characterized in that: The cylinder is provided with a back-blowing air inlet communicated with the drainage chamber and a back-blowing air outlet communicated with the material chamber. The back-blowing air inlet is configured to input compressed gas into the cylinder.

6. The device for washing, dehydrating and drying resin particles according to claim 5, characterized in that: The dehydration and drying device further includes a back-blowing mechanism, which is communicated with the drainage chamber and inputs compressed gas into the cylinder through the back-blowing air inlet.

7. The device for washing, dehydrating and drying resin particles according to claim 6, characterized in that: The back-blowing air inlet and the back-blowing air outlet are both located on the circumferential side wall of the cylinder, and the back-blowing air inlet and the back-blowing air outlet are respectively located on both sides of the axis of the cylinder.

8. The device for washing, dehydrating and drying resin particles according to claim 1, characterized in that: The filter barrel has a first end and a second end that are arranged opposite to each other, and the first end of the filter barrel is arranged close to the feed port; the inner diameter of the filter barrel gradually decreases from the first end of the filter barrel to the second end of the filter barrel.

9. The device for washing, dehydrating and drying resin particles according to claim 8, characterized in that: A discharge channel communicating with the outside and the material chamber is provided at the bottom of the cylinder. The discharge channel is communicated with the second end of the filter barrel. A discharge valve is provided on the portion of the discharge channel extending out of the cylinder.

10. The device for washing, dehydrating and drying resin particles according to claim 1, characterized in that: The cylinder includes a first connection part and a second connection part connected to the first connection part. The filter barrel is connected to one end of the first connection part close to the second connection part. The inner diameter of the second connection part gradually decreases from the end close to the first connection part to the end away from the first connection part. The drain outlet is set at the second connection part.

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